+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   543 Charlotte (A904 RG) Classification: Main-belt Asteroid          SPK-ID: 2000543 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 48 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1538330123238729 1.9716e-08   a 3.058236646930152 1.0729e-08 au q 2.587778891133626 6.4033e-08 au i 8.479369018752656 4.2759e-07 deg node 294.9671809875992 3.293e-06 deg peri 109.0843089677746 6.599e-06 deg M 226.6008831092478 7.4071e-06 deg tp 2459924.361557425688 (2022-Dec-10.86155743) 4.2145e-05 TDB period 1953.462412248645 5.35 1.028e-05 2.815e-08 d yr n .1842881632852108 9.6979e-10 deg/d Q 3.528694402726678 1.238e-08 au   Orbit Determination Parameters    # obs. used (total)      2783      data-arc span      42400 days (116.08 yr)      first obs. used      1904-09-12      last obs. used      2020-10-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .42829      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 11:03:17   Additional Information  Earth MOID = 1.61185 au   Jupiter MOID = 1.92169 au   T_jup = 3.200  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 9.53   n/a E2021B10   diameter diameter 45.613 km 2.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 10.718 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Shevchenko, V.G.; Bel'skaya, I.N.; Krugly, Yu.N. (1999) Abstracts of IAU Colloq. 165, Poznan (543, 1369)] [Chiorny, V.G.; Shevchenko, V.G.; Krugly, Yu.N.; Velichko, F.P.; Gaftonyuk, N.M. (2003) Abstracts of Photometry and Polarimetry of Asteroids: Impact on Collaboration, Kharkiv, 9-10.] [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Chiorny, V.G.; Shevchenko, V.G.; Krugly, Yu.N.; Velichko, F.P.; Gaftonyuk, N.M. (2007) Planet. Space Sci. 55, 986-997.] [Garceran, A.C. (2013) Posting on CALL web site. http://www.MinorPlanet.info/call.html] [Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.] [Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.144   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   SMASSII spectral type spec_B Xe   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 543 Charlotte (A904 RG)          Discovered 1904-Sep-11 by Gotz, P. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A904 RG = 1958 XX  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 10:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin